101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef __MTK_USB_PHY_NEW_H
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#define __MTK_USB_PHY_NEW_H
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#include <linux/types.h>
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#include <linux/clk.h>
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/* helpers for direct access thru low-level io interface */
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#ifdef CONFIG_PHY_MTK_USB
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extern int usb_mtkphy_switch_to_usb(struct phy *phy);
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extern int usb_mtkphy_switch_to_uart(struct phy *phy);
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extern int usb_mtkphy_check_in_uart_mode(struct phy *phy);
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extern int usb_mtkphy_dump_usb2uart_reg(struct phy *phy);
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extern int usb_mtkphy_u3_loop_back_test(struct phy *phy);
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extern int usb_mtkphy_sib_enable_switch(struct phy *phy, bool enable);
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extern int usb_mtkphy_sib_enable_switch_status(struct phy *phy);
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extern int usb_mtkphy_switch_to_bc11(struct phy *phy, bool on);
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extern int usb_mtkphy_dpdm_pulldown(struct phy *phy, bool enable);
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extern int usb_mtkphy_lpm_enable(struct phy *phy, bool on);
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extern int usb_mtkphy_host_mode(struct phy *phy, bool on);
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extern int usb_mtkphy_io_read(struct phy *phy, u32 reg);
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extern int usb_mtkphy_io_write(struct phy *phy, u32 val, u32 reg);
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#else
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static inline int usb_mtkphy_switch_to_usb(struct phy *phy)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_switch_to_uart(struct phy *phy)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_check_in_uart_mode(struct phy *phy)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_dump_usb2uart_reg(struct phy *phy)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_u3_loop_back_test(struct phy *phy)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_sib_enable_switch(struct phy *phy,
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bool enable)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_sib_enable_switch_status(struct phy *phy)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_switch_to_bc11(struct phy *phy, bool on)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_lpm_enable(struct phy *phy, bool on)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_host_mode(struct phy *phy, bool on)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_io_read(struct phy *phy, u32 reg)
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{
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return -ENODEV;
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}
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static inline int usb_mtkphy_io_write(struct phy *phy,
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u32 val, u32 reg)
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{
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return -ENODEV;
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}
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#endif
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#ifdef CONFIG_MTK_UART_USB_SWITCH
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enum PORT_MODE {
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PORT_MODE_USB = 0,
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PORT_MODE_UART,
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PORT_MODE_MAX
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};
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#define RG_GPIO_SELECT (0x600)
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#define GPIO_SEL_OFFSET (0)
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#define GPIO_SEL_MASK (0x3 << GPIO_SEL_OFFSET)
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#define GPIO_SEL_UART0 (0x1 << GPIO_SEL_OFFSET)
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#endif
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#endif
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